package com.athengzhi.springCloud.controller;

import com.athengzhi.springCloud.entities.CommonResult;
import com.athengzhi.springCloud.entities.Payment;
import com.athengzhi.springCloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @Package: com.athengzhi.springCloud.controller
 * @ClassName: PaymentController
 * @Author: lhz
 * @CreateTime: 2023/4/17 18:07
 * @Description:
 */
@RestController
@Slf4j
public class PaymentController {
    //对于注册进eureka里面的微服务，可以通过服务发现来获得该服务的信息
    @Resource
    private DiscoveryClient discoveryClient;

    @Autowired
    PaymentService paymentService;

    @Value("${server.port}")
    private String serverPort;

    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment){
        int result = paymentService.create(payment);
        log.info("*****插入结果："+result);
        if (result>0){  //成功
            return new CommonResult(200,"插入数据库成功,serverPort: "+serverPort,result);
        }else {
            return new CommonResult(444,"插入数据库失败",null);
        }
    }
    @GetMapping(value = "/payment/get/{id}")
    public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id){
        Payment payment = paymentService.getPaymentById(id);
        log.info("*****查询结果："+payment);
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        if (payment!=null){  //说明有数据，能查询成功
            return new CommonResult(200,"查询成功,serverPort: "+serverPort,payment);
        }else {
            return new CommonResult(444,"没有对应记录，查询ID："+id,null);
        }
    }

    @GetMapping(value = "/payment/discovery")
    public Object discovery(){
        //获取服务信息，能够获取到注册进入eureka的两个服务，分别是order80和payment，payment又分为payment8001和8002
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            log.info("***** element:"+element);
        }
        //获取服务PAYMENT下面的实例
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri());
        }
        return this.discoveryClient;
    }

    @GetMapping(value = "/payment/getPort")
    public String getServerPort(){
        return serverPort;
    }


    @GetMapping(value = "/payment/lb/getPort")
    public String getLb(){
        return serverPort;
    }
}
